This shop for all your super spy needs hides an educational secret.

Constructed on the ruins of a convent, this tower saved countless lives.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

The most southern point you can drive to in the Western Hemisphere.

This plaza at the end of the world teems with monumental tributes to a problematic history, and laser discs.

This haunting ghost ship stands beached in the waters off the coast of the Falkland Islands.

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

A grove of colossal man-made flowers built to collect the sun's rays.

This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

A taste of Middle Earth, in the middle of the Bayou City.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A monument celebrating the idea of reaching inaccessible places.

This statue in Plaza San Francisco commemorates a beloved figure from 1950s Havana.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.